Greenworks 40V 21" Brushless (Smart Pace) Self-Propelled Lawn Mower, 2 x 4Ah USB (Power Bank) Batteries and Charger Included MO40L4413 & 40V (550 CFM / 130 MPH) Brushless Axial Blower, Tool Only
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MEDIOCRE
68
Winnowl Index
Winnowl Verdict
Clocking in with a MEDIOCRE (68) Winnowl Index, the Greenworks 40V 21" Brushless (Smart Pace) Self-Propelled Lawn Mower is a safe-bet purchase; it prioritizes Strong Value and Strong Brand Strength over performance. At its core, this score reflects Strong Brand Strength and Strong Value from Greenworks, prioritizing a trustworthy ownership experience alongside Average Performance. By coming in at $535.95, the cost is 19% less than the average; this allows it to provide Average Brand Trust and Average Brand Reliability alongside Total Run Time of 70 minutes that is above the class average, suggesting you should have plenty of power to handle larger yards or overgrown grass that would typically drain a standard battery. It offsets Average performance by offering 11% more utility for your money and the security of Strong Brand Strength.
Market Value Index
Strong
$535.95
Overpriced
Fair
High Value
The Strong Value is driven by a price of $535.95, which outpaces the $658.14 average by delivering 11% more performance for every dollar spent.
Performance Rating
Average
The Average Performance is a combination of data points; while with the Total Run Time of 70 minutes you should have plenty of power to handle larger yards or overgrown grass that would typically drain a standard battery, with the 40 V Battery Voltage you should effectively maintain blade speed on a tidy, dry lawn that gets mowed on a regular schedule.
Brand Strength
Strong
Greenworks maintains Strong Brand Strength, which is 8% above the average and driven by Average Brand Reliability and Average Brand Trust.
Available At
$535.95
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The Winnowl Lab Report
| Specification | Value | Rating | Vs. Average | Winnowl Insight |
|---|---|---|---|---|
| Total Run Time | 70 minutes | Average | 22% better | High-endurance rating. Provides a safety buffer for thick grass or larger properties. |
| Battery Voltage | 40 V | Mediocre | 28% worse | Standard residential power. Balanced for consistent performance on well-maintained suburban lawns. |
| Battery Capacity | 4 Ah | Mediocre | 32% worse | Standard suburban capacity. Balanced for roughly 45-60 minutes of runtime. |
| Warranty | 3 Years | Mediocre | 22% worse | Standard residential protection. Covers the machine through the initial years of typical seasonal use. |
| Charging Time | 120 mins | Average | 22% worse | Extended recovery time. Slow recharge speed may delay your ability to finish larger jobs. |
| Number of Batteries | 2 count | Average | 18% better | Dual-battery loadout. Provides immediate redundancy and extended runtime for larger properties. |
| Cutting Width | 21 inches | Average | Average | Standard residential deck width. Balanced for efficiency and maneuverability through most garden gates. |
| Cutting Height Adjustment | 7 settings | Average | Average | High-precision adjustment rack. Allows for fine-tuning based on grass species and regional moisture levels. |
Ranking Factors
Insights
- Value Rank: #56 out of 75.
- Performance Rank: #58 out of 75.
- Winnowl Quadrant: Budget
Strengths
- At minutes, the Total Run Time is longer than the class average (57.45 minutes) but not as long as the class maximum (150 minutes).
Neutral
- A Cutting Width of inches is about average (21.21 inches) but narrower than the widest in class at 26 inches.
- A Cutting Height Adjustment of settings is about average (7.01 settings) but not as many as the class max of 10 settings.
- battery(s) is about average 1.69count but below the most in class (4 count).
Weaknesses
- At V, the Battery Voltage is below the average of 55.55 V and well below the highest in class at 84 V.
- At mins, the Charging Time is slower than the average of 98.21 mins and well below the fastest at (30 mins).
- The Years warranty is in the bottom 10%, offering minimal long-term protection.
- Ah is among the lowest capacities in class, ranking in the bottom 10%.
Comparison
| Name | Winnowl Index | Value | Performance | Brand | Price | Total Run Time | Battery Voltage | Battery Capacity | Cutting Width | Warranty | Charging Time | Number of Batteries | Cutting Height Adjustment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Greenworks 40V 21" Brushless (Smart Pace) Self-Propelled Lawn Mower |
MEDIOCRE
68
|
Strong | Average | Strong | $535.95 | 70 minutes | 40 V | 4 Ah | 21 inches | 3 Years | 120 mins | 2 count | 7 settings |
| Kobalt 80-Volt 21-in Self-propelled Battery Lawn Mower |
STRONG
88
|
Exceptional | Strong | Exceptional | $599.00 | 75 minutes | 80 V | 5 Ah | 21 inches | 5 Years | 60 mins | 2 count | 7 settings |
| EGO Power+ LM2156SP-2 Battery Powered Self-Propelled Lawn Mower |
STRONG
80
|
Weak | Strong | Strong | $1,399.00 | 150 minutes | 56 V | 10 Ah | 21 inches | 5 Years | 60 mins | 2 count | 7 settings |
| LiTHELi 18-Inch Brushless Self-Propelled Mower |
MEDIOCRE
68
|
Exceptional | Average | Average | $276.59 | 50 minutes | 40 V | 4 Ah | 18 inches | 5 Years | 120 mins | 2 count | 6 settings |
Rankings
